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(No Model.)

J. L. B. BODEL & J. L. P. BRAUER.

UNION 0R COUPLING FOR PIPES AND TUBES.

Patented Dec. 26, 1882.

jzzVewiZrS Ja/ [1k NITED STATES PATENT OFFICE.

JULES L. B. BODEL AND JOSEPH L. F. BRAUEP OF PARIS, FRANCE.

UNION OR COUPLING FOR PIPES AND TUBES.

SPECIFICATION forming part of Letters Patent No. 269,626, dated December 26, 1882.

Application filed August 24, 1882. (No model.) Patentedin France May 19, 1882, No. 148,883; in Belgium July 24, 188), No. 58,582,

' and in England July 25, 1882, No. 3,536.

To all whom it may concern Be it known that we, JULES LOUIS BER- NARDIN Boom. and Josnrn LAURENT FRAN- goIs BRAUER, subjects of France and residents of Paris,'have-invented a new or Improved Union or Coupling with an- Elastic Jointfor Oonnectin g together Pipes and Tubes in general, (for which we have obtained Letters Patent in France, dated May 19, 1882, No. 148.883, for fifteen years; Belgium, dated, July 24, 1882, No. 58,552, for fifteen years; England, dated July 25, 1882, No. 3,536, for fourteen years;) and we do hereby declare that the following is a full, clear, and exact description of the invention, which will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accomrmuving drawings, and to the letters or lignres of reference marked thereon, which form a part of this specification.

The invention relates to a new or improved ,nection ofthe pipes or tubes more or less lirmly while preservingelasticity and absolute tightness to thejoint. whatever the internal pressure may be. I The annexed drawings represent an example ofthe new or improved union or coupling.

Figure l is a longitudinal section of the improved joint. Fig. 2 is an, external view ofthe end ofone of the pipes or tubes to be joined. Fig. 3 is a transverse section on line 1 2 of Fig. 1. Fig. 4 shows in section one ofthe tightening-rings. Fig.5 is a plan of the said ring, and Fig. 6 is a plan of the end of the other pipe.

at and b show the pipes or tubes to bejoined. a is cylindrical in all its parts, with one end, 0, swelled out or enlarged and hollowed out or recessed at e for the reception of a washer, r, of india-rubber or other suitable elastic and compressible material. On the end of the pipe at is fitted a ring, d, which covers and stops againsttheenlargementc. ltisscrew-threaded externally at its front or outer part. The pipe or tubeb is also cylindrical, except at the shoulderfat its end, which is of an elliptic or oval form. Another ring, g, which is internally screw-threaded, takes onto the ring at, the internal thread of the first taking into the external thread of the latter. The ring 9 is formed with an oval or elliptic opening, h, corresponding to the oval or elliptic form ofthe shoulderf of the pipe b, so that the said shoulderf enters and passes easily through the opening h. The elliptic or oval opening h of the ring-g is outside of a cylind jcal recess, 7g, which is close to the internally screw-threaded part above mentioned. In the recess is are one or two stops, at m, diametrically opposite to each other. Having put in place the packing or elastic washer on the end of the pipe a, the ring d is also placed thereon, and the second ring, g, is screwed onto the said ring d. Then the end f of the pipe I) is passed through the opening h, care being taken to make the oval or elliptic shoulder f coincide with the oval or elliptic opening h of the ring g. Having passed the shoulder fthrough the opening h, it is only necessary to turn the ring 1 about half a revolution until the stops on m prevent further movement. The union is then made. By screwing the ringg more or less tightlv upon the ring I! the india-rubber washer is squeezed with greater or lesser forcethat is to say, with a pressure which may be varied. at pleasure according to the pressure which thejointis intended to resist and to which the liquids, gases, fluids, or vapors may be subjected that the pipes so joined are intended to conduct.

- The component parts may be varied as to form,materials, and dimensions,-and the new or improved union or coupling may also be applied to connect together all kinds of pipes, tubes, or conduits in which liquids, fluids, gases, vapors, &c., circulate.

We claim- The pipe (0, having enlargement 0, combined with threaded rings (1 and g, and with pipe I), having oval enlargementf, the ring g, having oval aperture h, recess 7., and stop or stops at, substantially as herein shown and described.

JULES L. B. BODEL. JOSEPH L; F. BRAUER.

Witnesses:

G. DE JEAN, A. BLETRY. 

